Locked fireplace door



FIG. 1 is left side view of a locked fireplace door, the right side being a mirror image thereof.

FIG. 2 is a front view of thereof; and,

FIG. 3 is a top view of thereof, the bottom view being a mirror image thereof.

The back of the design forms no part of the claimed design. 

The ornamental design for a locked fireplace door, as shown and described. 